Number of (n+2)X(3+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order.
A252879
Number of (n+2)X(3+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order.
Terms
- a(0) =28474a(1) =206314a(2) =1769486a(3) =16537346a(4) =160464987a(5) =1568328517a(6) =15405629778a(7) =151688062643
External references
- oeis: A252879